Tsonga's marathon

Tsonga's marathon

Getty Images

The longest tennis set in Olympics history was played Tuesday, July 31 at Wimbledon when Jo-Wilfried Tsonga (pictured) of France defeated Milos Raonic of Canada 6-3, 3-6, 25-23 in the second round. The previous record was 30 games, set in 2004. However, the longest set in tennis history is still intact -- it is a staggering 138 games. -- Andrea Reiher, Zap2it

The longest tennis set in Olympics history was played Tuesday, July 31 at Wimbledon when Jo-Wilfried Tsonga (pictured) of France defeated Milos Raonic of Canada 6-3, 3-6, 25-23 in the second round. The previous record was 30 games, set in 2004. However, the longest set in tennis history is still intact -- it is a staggering 138 games. -- Andrea Reiher, Zap2it (Getty Images)

The longest tennis set in Olympics history was played Tuesday, July 31 at Wimbledon when Jo-Wilfried Tsonga (pictured) of France defeated Milos Raonic of Canada 6-3, 3-6, 25-23 in the second round. The previous record was 30 games, set in 2004. However, the longest set in tennis history is still intact -- it is a staggering 138 games. -- Andrea Reiher, Zap2it